Route
SLC → BOS
Salt Lake City International Airport Boston Logan International Airport
2,105 miles
Return route BOS → SLC →
How punctual is this route?
- On-time arrivals
- 80.6%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,264
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 27%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.3% | 92 |
| October 2025 | 75.0% | 92 |
| November 2025 | 88.7% | 97 |
| December 2025 | 81.0% | 107 |
| January 2026 | 83.5% | 92 |
| February 2026 | 81.2% | 110 |
| March 2026 | 80.3% | 132 |
| April 2026 | 81.3% | 92 |
| May 2026 | 92.4% | 93 |
| June 2026 | 83.6% | 110 |
| July 2026 | 76.1% | 123 |
| August 2026 | 69.9% | 124 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,083 | 82.7% | 1.3% | 64 min |
| JetBlue Airways | 181 | 67.6% | 6.1% | 74 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
Reviews
No reviews yet. Be the first to review this route.